[INFO] updating cached repository https://github.com/vnermolaev/acmatrix [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a7207c35eda15d7bbba1ae8df90805f02d12977a [INFO] checking vnermolaev/acmatrix against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvnermolaev%2Facmatrix" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vnermolaev/acmatrix on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/vnermolaev/acmatrix [INFO] finished tweaking git repo https://github.com/vnermolaev/acmatrix [INFO] tweaked toml for git repo https://github.com/vnermolaev/acmatrix written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/vnermolaev/acmatrix already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d5522e88abc30acfa4fd3bbdddc401f90878b86fb88c1f2a78d88b0556277f4c [INFO] running `"docker" "start" "-a" "d5522e88abc30acfa4fd3bbdddc401f90878b86fb88c1f2a78d88b0556277f4c"` [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling podio v0.1.5 [INFO] [stderr] Compiling unwrap v1.1.0 [INFO] [stderr] Compiling leveldb-sys v2.0.1 [INFO] [stderr] Checking serde v1.0.11 [INFO] [stderr] Checking buf_redux v0.3.0 [INFO] [stderr] Checking itoa v0.3.3 [INFO] [stderr] Checking headers v0.1.0 [INFO] [stderr] Checking exonum_profiler v0.1.1 [INFO] [stderr] Checking colored v1.5.2 [INFO] [stderr] Checking serde_json v0.8.6 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling xattr v0.1.11 [INFO] [stderr] Compiling filetime v0.1.10 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] error: failed to run custom build command for `leveldb-sys v2.0.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/leveldb-sys-07d0575313251fda/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] [build] Started [INFO] [stderr] [build] Patching the `build_detect_platform` template [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558d8a467824 - backtrace::backtrace::libunwind::trace::h3c777145747bb537 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558d8a467824 - backtrace::backtrace::trace_unsynchronized::h66b9e4a5d8dcdac1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558d8a467824 - std::sys_common::backtrace::_print_fmt::h67af8761982571ce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x558d8a467824 - ::fmt::hd2414c318764e035 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x558d8a4862dc - core::fmt::write::h6b1d9e7d0caf83ef [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x558d8a465af7 - std::io::Write::write_fmt::h7d23ef4c2e86d894 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x558d8a469cf5 - std::sys_common::backtrace::_print::h95f9ce51820bb860 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x558d8a469cf5 - std::sys_common::backtrace::print::h60cdacab02cba05c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558d8a469cf5 - std::panicking::default_hook::{{closure}}::hd6f0e16d93b9b5c8 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x558d8a4699e6 - std::panicking::default_hook::hd45736b469c8d928 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x558d8a46a345 - std::panicking::rust_panic_with_hook::hcc17bc0996b76a4c [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x558d8a469ee2 - std::panicking::continue_panic_fmt::hacd60ce981312f06 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x558d8a469dd6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x558d8a483c9a - core::panicking::panic_fmt::h1ebeaa41bf98abea [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x558d8a483d97 - core::result::unwrap_failed::h231e9151bc35c4cf [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x558d8a44f260 - core::result::Result::unwrap::hece6872b46434232 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x558d8a44a7d6 - build_script_build::main::h7f48b27c250934e0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:161 [INFO] [stderr] 17: 0x558d8a44b2c0 - std::rt::lang_start::{{closure}}::h1f61c20d530642e5 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x558d8a469dc3 - std::rt::lang_start_internal::{{closure}}::h677067c06c8055b2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x558d8a469dc3 - std::panicking::try::do_call::h02b31030ec0cae5e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x558d8a47103a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x558d8a46a83d - std::panicking::try::h3d608dc302373513 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x558d8a46a83d - std::panic::catch_unwind::hbd3bc0654419de57 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x558d8a46a83d - std::rt::lang_start_internal::hb18b97680fa7fcd0 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x558d8a44b299 - std::rt::lang_start::h25420caee169a5c8 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x558d8a44b20a - main [INFO] [stderr] 26: 0x7f90640e1b97 - __libc_start_main [INFO] [stderr] 27: 0x558d8a434e5a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40 [INFO] [stderr] | [INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 250 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 251 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "d5522e88abc30acfa4fd3bbdddc401f90878b86fb88c1f2a78d88b0556277f4c"` [INFO] running `"docker" "rm" "-f" "d5522e88abc30acfa4fd3bbdddc401f90878b86fb88c1f2a78d88b0556277f4c"` [INFO] [stdout] d5522e88abc30acfa4fd3bbdddc401f90878b86fb88c1f2a78d88b0556277f4c